/* 重置样式 */
body{
    background-color: #f8f8f8;
}
.head{
    border-bottom: 1px solid #aec7ec;
}
/* .head .active{
    border-bottom: 2px solid #00bdff;
} */
.foot{
    background-color: #fff;
}
/* 头部动画广告 */
.banner-mask{
    text-align: center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 350px;
    background-color: rgba(0, 0, 0, .9);
}

/* 主体部分 */
.szBlank{
    position: relative;
    top: -160px;
}
.szBlank .topBanner .leftC{
    width: 600px;
    padding: 40px;
    background-color: #fff;
    box-sizing: border-box;
}
.szBlank .leftC img{
    width: 160px;
}
.szBlank .leftC h3{
    font-size: 20px;
    color: #343434;
    margin: 20px 0 ;
    font-weight: bold;
}
.szBlank .leftC p{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    line-height: 22px;
}
.szBlank .rightC{
    width: 600px;
}
.szBlank .rightC img{
    width: 100%;
}
.szBlank .intro{
    margin-top: 42px;
    box-sizing: border-box;
    padding: 0 50px;
    color: #000;

}
.szBlank i{
    display: block;
    width: 50px;
    height: 40px;
    background: url('../imgs/help-des-icon.svg')no-repeat;
    margin-bottom: 26px;
}

.szBlank .intro p:nth-child(2){
    line-height: 25px;
}

.szBlank .intro p:nth-child(3){
    position: relative;
    text-align: right;
    margin-top: 30px;
}
.szBlank .intro p:nth-child(3)::before{
   position: absolute; 
   top: 8px;
   right: 105px;
   content: '';
   display: block;
   width: 14px;
   height: 4px;
   background-color: #1271ef;
}
.szBlank .profit{
    margin-top: 45px;
    color: #000;
    padding: 0 50px;
}
.szBlank .profit h4{
  font-size: 25px;
  margin-bottom: 30px;
}
.szBlank .profit p{
    line-height: 22px;
}
.szBlank>div:nth-child(4){
    padding: 0 50px;
    margin-top: 50px;
    margin-bottom: 225px;
}
.szBlank>div:nth-child(4) img{
    width: 100%;
}

